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Syncfusion Essential Studio Blazor 2026 Volume 1 SP1 (33.2.6)
Released: May 12, 2026
Updates in 2026 Volume 1 SP1 (33.2.6)
Fixes
ComboBox
Fixed an issue where the ComboBox popup opened in an incorrect position when available space was limited.
Data Grid
Resolved an issue where an empty table header accessibility error occurred on grouped DataGrid.
Resolved an issue where PDF export displayed empty column headers when using stacked headers with PdfExportProperties.Columns in DataGrid.
Resolved an accessibility issue caused when rendering Numeric Items in Pager with <a> elements without an href attribute.
Resolved an issue where the Context Menu on an empty Grid area or border, changed the row selection.
Resolved an issue where DataGrid EditCellAsync did not work in Batch editing mode in a Blazor WebAssembly application.
Resolved an issue where DataGrid crashed due to a RuntimeBinderException when using Grouping with GroupFooterTemplate.
DropDown List
Fixed an issue where the DropDownList selection was not retained correctly when AllowFiltering was enabled.
HeatMap
Improved tooltip template rendering during hover interactions, delivering smoother performance and quicker response times even with large and complex datasets.
ListBox
Resolved an issue where the ListBox unnecessarily rebuilt the entire ListDataSource on every item add or remove when the ItemTemplate contained child components.
MultiSelect
Fixed an issue where the MultiSelect popup retained previously filtered data when reopened while virtualization and filtering were enabled.
Rich Text Editor
The Rich Text Editor works now properly when pasting large content without raising server disconnection issues by enabling the EnableChunkMessages.
Schedule
Resolved the script error issue when rendering scheduler with empty Resource datasource and allowVirtualScrolling enabled.
Tab
Fixed an issue where the SelectAsync() method incorrectly selected hidden tab items.
Toolbar
Resolved an issue where programmatically disabled Toolbar items incorrectly retained focus visual styles.
Tree Grid
Resolved a script error that occurred when the component was initialized with a specific delay.